DE69024711D1 - Amplifier circuit - Google Patents

Amplifier circuit

Info

Publication number: DE69024711D1
Authority: DE; Germany
Prior art keywords: amplifier circuit; amplifier; circuit
Prior art date: 1989-07-06
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Expired - Fee Related

Application number

DE69024711T

Other languages

German (de)

Other versions

DE69024711T2 (en

Inventor

Hendrik Boezen

Pieter Buitendijk

Rudolf Wilhelmus Mathijssen

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Koninklijke Philips NV

Original Assignee

Philips Electronics NV

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

1989-07-06

Filing date

1990-07-02

Publication date

1996-02-22

1990-07-02 Application filed by Philips Electronics NV filed Critical Philips Electronics NV

1996-02-22 Application granted granted Critical

1996-02-22 Publication of DE69024711D1 publication Critical patent/DE69024711D1/en

1996-07-25 Publication of DE69024711T2 publication Critical patent/DE69024711T2/en

2010-07-03 Anticipated expiration legal-status Critical

Status Expired - Fee Related legal-status Critical Current

Classifications

- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/45—Differential amplifiers
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
- H03F1/02—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation
- H03F1/0205—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers
- H03F1/0277—Selecting one or more amplifiers from a plurality of amplifiers
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
- H03F1/08—Modifications of amplifiers to reduce detrimental influences of internal impedances of amplifying elements
- H03F1/22—Modifications of amplifiers to reduce detrimental influences of internal impedances of amplifying elements by use of cascode coupling, i.e. earthed cathode or emitter stage followed by earthed grid or base stage respectively
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/20—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers
- H03F3/21—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only
- H03F3/211—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only using a combination of several amplifiers

Landscapes

Engineering & Computer Science (AREA)
Power Engineering (AREA)
Amplifiers (AREA)

DE69024711T 1989-07-06 1990-07-02 Amplifier circuit Expired - Fee Related DE69024711T2 (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
NL8901725A NL8901725A (en)	1989-07-06	1989-07-06	AMPLIFIER CIRCUIT.

Publications (2)

Publication Number	Publication Date
DE69024711D1 true DE69024711D1 (en)	1996-02-22
DE69024711T2 DE69024711T2 (en)	1996-07-25

Family

ID=19854978

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DE69024711T Expired - Fee Related DE69024711T2 (en)	1989-07-06	1990-07-02	Amplifier circuit

Country Status (7)

Country	Link
US (1)	US5065113A (en)
EP (1)	EP0406964B1 (en)
JP (1)	JP2869670B2 (en)
KR (1)	KR0141591B1 (en)
DE (1)	DE69024711T2 (en)
HK (1)	HK170296A (en)
NL (1)	NL8901725A (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
EP0509113B1 (en) *	1991-04-16	1998-10-07	Siemens Aktiengesellschaft	Output buffer amplifier with high signal amplitude
US5311143A (en) *	1992-07-02	1994-05-10	Motorola, Inc.	RF amplifier bias control method and apparatus
JP3390272B2 (en) *	1994-11-10	2003-03-24	沖電気工業株式会社	Synchronous detection circuit
US6529059B1 (en) *	2000-07-26	2003-03-04	Agere Systems Inc.	Output stage ESD protection for an integrated circuit
CN1280982C (en) *	2001-08-23	2006-10-18	皇家飞利浦电子股份有限公司	High frequency power amplifier circuit
CN108141180A (en) *	2015-07-30	2018-06-08	电路种子有限责任公司	Low noise transimpedance amplifier based on complementary current field effect transistor devices

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
NL237518A (en) *	1958-04-08
DE2304162C3 (en) *	1973-01-29	1976-01-08	Robert 5300 Bonn Sczech	Electronic amplifier with high efficiency or low electrical power loss
US3863170A (en) *	1973-02-21	1975-01-28	Bendix Corp	Thermally stable power amplifier
US4779057A (en) *	1987-08-06	1988-10-18	Tektronix, Inc.	Cascode amplifier with nonlinearity correction and improve transient response

1989
- 1989-07-06 NL NL8901725A patent/NL8901725A/en not_active Application Discontinuation
1990
- 1990-07-02 DE DE69024711T patent/DE69024711T2/en not_active Expired - Fee Related
- 1990-07-02 EP EP90201754A patent/EP0406964B1/en not_active Expired - Lifetime
- 1990-07-02 US US07/547,888 patent/US5065113A/en not_active Expired - Fee Related
- 1990-07-04 JP JP2175452A patent/JP2869670B2/en not_active Expired - Lifetime
- 1990-07-04 KR KR1019900010045A patent/KR0141591B1/en not_active IP Right Cessation
1996
- 1996-09-12 HK HK170296A patent/HK170296A/en not_active IP Right Cessation

Also Published As

Publication number	Publication date
US5065113A (en)	1991-11-12
JPH0345003A (en)	1991-02-26
EP0406964A1 (en)	1991-01-09
JP2869670B2 (en)	1999-03-10
KR910003918A (en)	1991-02-28
DE69024711T2 (en)	1996-07-25
EP0406964B1 (en)	1996-01-10
NL8901725A (en)	1991-02-01
HK170296A (en)	1996-09-20
KR0141591B1 (en)	1998-07-15

Publication	Publication Date	Title
DE69028077D1 (en)	1996-09-19	Automatic amplifier circuit
DE68926332D1 (en)	1996-05-30	Amplifier circuit
DE68926201D1 (en)	1996-05-15	Operational amplifier circuit
DE68919383D1 (en)	1994-12-22	Amplifier circuit.
DE69224409D1 (en)	1998-03-19	Amplifier circuit
DE69118842D1 (en)	1996-05-23	Amplifier circuit
DE3863040D1 (en)	1991-07-04	AMPLIFIER CIRCUIT.
DE69025875D1 (en)	1996-04-18	Sense amplifier
DE69029838D1 (en)	1997-03-13	An amplifier circuit
DE69122820D1 (en)	1996-11-28	Amplifier circuit
KR900019046A (en)	1990-12-22	Sense amplifier circuit
DE69024733D1 (en)	1996-02-22	Sense amplifier circuit
DE69314981D1 (en)	1997-12-11	Amplifier circuit
DE69223427D1 (en)	1998-01-22	Sense amplifier circuit
DE69119169D1 (en)	1996-06-05	Amplifier circuit
DE69029468D1 (en)	1997-01-30	Integrated circuit arrangement
DE58908540D1 (en)	1994-11-24	Integrable amplifier circuit.
DE68921502D1 (en)	1995-04-13	Amplifier circuit.
DE69023725D1 (en)	1996-01-04	Amplifier circuit.
KR900702652A (en)	1990-12-08	Differential amplifier circuit
DE69024922D1 (en)	1996-02-29	Power amplifier
DE69024711D1 (en)	1996-02-22	Amplifier circuit
KR890009071A (en)	1989-07-13	Amplifier circuit
DE69024865D1 (en)	1996-02-29	Amplifier circuit
DE69023704D1 (en)	1996-01-04	Amplifier circuit.

Legal Events

Date	Code	Title	Description
1997-02-13	8364	No opposition during term of opposition
1999-12-16	8327	Change in the person/name/address of the patent owner	Owner name: KONINKLIJKE PHILIPS ELECTRONICS N.V., EINDHOVEN, N
2003-05-15	8339	Ceased/non-payment of the annual fee